Contents

use magnus::RArray;

use crate::{RbExpr, RbPolarsErr, RbResult};

impl RbExpr {
    pub fn meta_eq(&self, other: &RbExpr) -> bool {
        self.inner == other.inner
    }

    pub fn meta_pop(&self) -> RArray {
        RArray::from_iter(
            self.inner
                .clone()
                .meta()
                .pop()
                .into_iter()
                .map(RbExpr::from),
        )
    }

    pub fn meta_root_names(&self) -> Vec<String> {
        self.inner
            .clone()
            .meta()
            .root_names()
            .iter()
            .map(|name| name.to_string())
            .collect()
    }

    pub fn meta_output_name(&self) -> RbResult<String> {
        let name = self
            .inner
            .clone()
            .meta()
            .output_name()
            .map_err(RbPolarsErr::from)?;
        Ok(name.to_string())
    }

    pub fn meta_undo_aliases(&self) -> RbExpr {
        self.inner.clone().meta().undo_aliases().into()
    }

    pub fn meta_has_multiple_outputs(&self) -> bool {
        self.inner.clone().meta().has_multiple_outputs()
    }

    pub fn meta_is_regex_projection(&self) -> bool {
        self.inner.clone().meta().is_regex_projection()
    }
}

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
polars-df-0.8.0	ext/polars/src/expr/meta.rs
polars-df-0.7.0	ext/polars/src/expr/meta.rs
polars-df-0.6.0	ext/polars/src/expr/meta.rs
polars-df-0.5.0	ext/polars/src/expr/meta.rs